M. Canagaratnam, Sri Lankan politician (b. 1924)
Mylvaganam Canagaratnam (15 April 1924 – 20 April 1980) was a Sri Lankan Tamil politician and Member of Parliament.

Canagaratnam was born on 15 April 1924.Canagaratnam stood as the Tamil United Liberation Front's candidate for Pottuvil at the 1977 parliamentary election. He came second and entered Parliament as the second member for Pottuvil. In December 1977 he defected to the United National Party led government and was rewarded by being appointed District Minister for Batticaloa.Canagaratnam was shot outside his home in Kollupitiya, Colombo on 24 January 1978. The attack was blamed on V. Prabhakaran and Uma Maheswaran of the militant Liberation Tigers of Tamil Eelam. He died of his injuries on 20 April 1980.